2PCS Neck CoolingTube, Reusable Ice Coolers Wearable Body CoolingProducts, Neck Coolers for HotWeather (Black*2)

Additional Details from the Manufacturer

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More features

• HotWeather Must-have: The neck coolers uses innovative liquid plant Phase Change Material to start freezing in environments below 18 ° C (64 ° F), which freezes faster and lasts longer than water, making it a must-have in hotweather.
• Perfect Experience: The outer layer is wrapped in Thermoplastic polyurethanes, so there is no need to worry about frostbite on the skin. The integrated molding does not require stitching, so there is no need to worry about damage or leakage. The filled liquid material has passed SGS safety testing and can be worn with confidence.
• Reusable: Neck coolers is made of Phase Change Material and can be refrozen after each use, allowing for multiple uses. Simply put the neck coolers in the refrigerator or freezer until solidifies and enjoy it.
• Ergonomic Design: The neck coolers is designed to fit the curvature of the neck providing a comfortable and safe fit .
• Lightweight and Convenient：About5.3oz, lightweight, and easy to carry, making it an ideal companion for any occasion.